If A is a matrix of order 3 - 3- then the number of minors in determinant of A are

Name: JEE- Grade 12- Mathematics- Matrices and Determinants- Session 05- W18
Uploaded: 2022-07-04T10:36:42+05:30
Description: If A is a matrix of order 3 × 3 then number of minors in determinant of A are 9 . Since in a 3 × 3 matrix, there are 9 elements and each element corresponds to ...

If A is a matrix of order 3 × 3 then number of minors in determinant of A are 9 . Since in a 3 × 3 matrix, there are 9 elements and each element corresponds to ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Mathematics

Minor and Cofactor of a Matrix

If A is a mat...

Question

If $A$ is a matrix of order $3 \times 3,$ then the number of minors in determinant of $A$ are

Open in App

Solution

If $A$ is a matrix of order $3 \times 3$ then number of minors in determinant of $A$ are $9 .$
Since in a $3 \times 3$ matrix, there are $9$ elements and each element corresponds to one minor.

Suggest Corrections

Similar questions

Q. If A is a matrix of order 3 × 3, then the number of minors in A is ____________.

If the determinant of a matrix of order $3 \times 3$ is formed by using the numbers 1 or -1 and minimum value of the determinant is $- λ$ , then the value of $λ$ is ___ .

Q. A matrix A of order 3 × 3 has determinant 5. What is the value of |3A|?

Q. A matrix of order 3 × 3 has determinant 2. What is the value of |A (3I)|, where I is the identity matrix of order 3 × 3.

Q. If a matrix is of order

2 \times 3

, then the number of elements in the matrix is

Join BYJU'S Learning Program

Explore more

Minor and Cofactor of a Matrix

Standard XII Mathematics

Join BYJU'S Learning Program

If A is a matrix of order 3×3, then the number of minors in determinant of A are

If A is a matrix of order 3×3 then number of minors in determinant of A are 9. Since in a 3×3 matrix, there are 9 elements and each element corresponds to one minor.

If $A$ is a matrix of order $3 \times 3,$ then the number of minors in determinant of $A$ are

If $A$ is a matrix of order $3 \times 3$ then number of minors in determinant of $A$ are $9 .$
Since in a $3 \times 3$ matrix, there are $9$ elements and each element corresponds to one minor.